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Rotation of Trapezoid

Rotation of Trapezoid
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2015-10-22 00:45
PolygonTransformationGeometric Construction
This example demonstrates the rotation of a trapezoid. Key mathematical concepts include rotation, similarity transformation, and angles. Using GeoGebra commands Polygon and Rotate, the rotated trapezoid is constructed. Suitable for middle school and above students learning geometric transformations.

GeoGebra Commands & Parameters

  1. Polygon(A, B, C, D) → poly1, a, b, c, d
  2. Rotate(A, α, center) → A'
  3. Rotate(B, α, center) → B'
  4. Rotate(C, α, center) → C'
  5. Rotate(D, α, center) → D'
  6. Polygon(A', B', C', D') → poly1', a', b', c', d'